/*************************************************************************
* *
* Yap Prolog *
* *
* Yap Prolog Was Developed At Nccup - Universidade Do Porto *
* *
* Copyright L.Damas, V.S.Costa And Universidade Do Porto 1985-1997 *
* *
**************************************************************************
* *
* File: Yap.C * Last
*Rev:
* Mods:
** Comments: Yap's Main File: parse arguments *
* *
*************************************************************************/
/* static char SccsId[] = "X 4.3.3"; */
#include "Yap.h"
#include "YapHeap.h"
#include "YapInterface.h"
#include "YapStreams.h"
#include "iopreds.h"
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#if HAVE_STDINT_H
#include <stdint.h>
#endif
#include <stdlib.h>
#include <stddef.h>
#ifdef _MSC_VER /* Microsoft's Visual C++ Compiler */
#ifdef HAVE_UNISTD_H
#undef HAVE_UNISTD_H
#endif
#endif
#include <stdio.h>
#if HAVE_STRING_H
#include <string.h>
#endif
#if HAVE_ERRNO_H
#include <errno.h>
#endif
#if HAVE_DIRECT_H
#include <direct.h>
#endif
#if HAVE_LIBGEN_H
#include <libgen.h>
#endif
X_API bool YAP_initialized = false;
static int n_mdelays = 0;
static YAP_delaymodule_t *m_delays;
static void init_globals(YAP_init_args *yap_init) {
GLOBAL_FAST_BOOT_FLAG = yap_init->FastBoot;
#if defined(YAPOR) || defined(TABLING)
Yap_init_root_frames();
#endif /* YAPOR || TABLING */
#ifdef YAPOR
Yap_init_yapor_workers();
#if YAPOR_THREADS
if (Yap_thread_self() != 0) {
#else
if (worker_id != 0) {
#endif
#if defined(YAPOR_COPY) || defined(YAPOR_SBA)
/*
In the SBA we cannot just happily inherit registers
from the other workers
*/
Yap_InitYaamRegs(worker_id, true);
#endif /* YAPOR_COPY || YAPOR_SBA */
#ifndef YAPOR_THREADS
Yap_InitPreAllocCodeSpace(0);
#endif /* YAPOR_THREADS */
/* slaves, waiting for work */
CurrentModule = USER_MODULE;
P = GETWORK_FIRST_TIME;
Yap_exec_absmi(FALSE, YAP_EXEC_ABSMI);
Yap_Error(SYSTEM_ERROR_INTERNAL, TermNil,
"abstract machine unexpected exit (YAP_Init)");
}
#endif /* YAPOR */
RECOVER_MACHINE_REGS();
/* make sure we do this after restore */
if (yap_init->MaxStackSize) {
GLOBAL_AllowLocalExpansion = FALSE;
} else {
GLOBAL_AllowLocalExpansion = TRUE;
}
if (yap_init->MaxGlobalSize) {
GLOBAL_AllowGlobalExpansion = FALSE;
} else {
GLOBAL_AllowGlobalExpansion = TRUE;
}
if (yap_init->MaxTrailSize) {
GLOBAL_AllowTrailExpansion = FALSE;
} else {
GLOBAL_AllowTrailExpansion = TRUE;
}
if (yap_init->PrologRCFile) {
Yap_PutValue(AtomConsultOnBoot,
MkAtomTerm(Yap_LookupAtom(yap_init->PrologRCFile)));
/*
This must be done again after restore, as yap_flags
has been overwritten ....
*/
setBooleanGlobalPrologFlag(HALT_AFTER_CONSULT_FLAG,
yap_init->HaltAfterBoot);
}
if (yap_init->PrologTopLevelGoal) {
Yap_PutValue(AtomTopLevelGoal,
MkAtomTerm(Yap_LookupAtom(yap_init->PrologTopLevelGoal)));
}
if (yap_init->PrologGoal) {
Yap_PutValue(AtomInitGoal,
MkAtomTerm(Yap_LookupAtom(yap_init->PrologGoal)));
}
if (yap_init->PrologAddPath) {
Yap_PutValue(AtomExtendFileSearchPath,
MkAtomTerm(Yap_LookupAtom(yap_init->PrologAddPath)));
}
if (yap_init->QuietMode) {
setVerbosity(TermSilent);
}
}
const char *Yap_BINDIR, *Yap_ROOTDIR, *Yap_SHAREDIR, *Yap_LIBDIR, *Yap_DLLDIR,
*Yap_PLDIR, *Yap_BOOTSTRAP, *Yap_COMMONSDIR, *Yap_INPUT_STARTUP,
*Yap_OUTPUT_STARTUP, *Yap_BOOTFILE, *Yap_INCLUDEDIR;
/**
* consult loop in C: used to boot the system, butt supports goal execution and
* recursive consulting.
*
* */
static bool consult(const char *b_file USES_REGS) {
Term t;
int c_stream, osno, oactive;
Functor functor_query = Yap_MkFunctor(Yap_LookupAtom("?-"), 1);
Functor functor_command1 = Yap_MkFunctor(Yap_LookupAtom(":-"), 1);
Functor functor_compile2 = Yap_MkFunctor(Yap_LookupAtom("c_compile"), 1);
/* consult in C */
int lvl = push_text_stack();
char *full;
/* the consult mode does not matter here, really */
if ((osno = Yap_CheckAlias(AtomLoopStream)) < 0) {
osno = 0;
}
c_stream = YAP_InitConsult(YAP_BOOT_MODE, b_file, &full, &oactive);
if (c_stream < 0) {
fprintf(stderr, "[ FATAL ERROR: could not open file %s ]\n", b_file);
pop_text_stack(lvl);
exit(1);
}
if (!Yap_AddAlias(AtomLoopStream, c_stream)) {
pop_text_stack(lvl);
return false;
}
do {
CACHE_REGS
YAP_Reset(YAP_FULL_RESET, false);
Yap_StartSlots();
Term vs = MkVarTerm(), pos = MkVarTerm();
t = YAP_ReadClauseFromStream(c_stream, vs, pos);
// Yap_GetNèwSlot(t);
if (t == TermEof)
break;
if (t == 0) {
fprintf(stderr, "[ SYNTAX ERROR: while parsing stream %s at line %ld ]\n",
b_file, GLOBAL_Stream[c_stream].linecount);
} else if (IsVarTerm(t) || t == TermNil) {
fprintf(stderr, "[ line: " Int_FORMAT ": term cannot be compiled ]",
GLOBAL_Stream[c_stream].linecount);
} else if (IsApplTerm(t) && (FunctorOfTerm(t) == functor_query ||
FunctorOfTerm(t) == functor_command1)) {
t = ArgOfTerm(1, t);
if (IsApplTerm(t) && FunctorOfTerm(t) == functor_compile2) {
consult(RepAtom(AtomOfTerm(ArgOfTerm(1, t)))->StrOfAE);
Yap_ResetException(LOCAL_ActiveError);
} else {
YAP_RunGoalOnce(t);
}
} else {
YAP_CompileClause(t);
}
yap_error_descriptor_t *errd;
if ((errd = Yap_GetException(LOCAL_ActiveError))) {
fprintf(stderr, "%s:%ld:0: Error %s %s Found\n", errd->errorFile,
(long int)errd->errorLine, errd->classAsText, errd->errorAsText);
}
} while (true);
BACKUP_MACHINE_REGS();
YAP_EndConsult(c_stream, &osno, full);
if (!Yap_AddAlias(AtomLoopStream, osno)) {
pop_text_stack(lvl);
return false;
}
pop_text_stack(lvl);
return true;
}
///
///
static const char *sel(bool dir, bool ok1, const char *s1, bool ok2,
const char *s2, ...) {
if (ok1 && s1)
return s1;
if (ok2)
return s2;
return NULL;
}
static const char *join(const char *s0, const char *s1) {
CACHE_REGS
if (!s0 || s0[0] == '\0')
return s1;
if (!s1 || s1[0] == '\0')
return s0;
// int lvl = push_text_stack();
char *buf = malloc(FILENAME_MAX + 1);
strcpy(buf, s0);
strcat(buf, s1);
return buf;
}
static void Yap_set_locations(YAP_init_args *iap) {
/// ROOT_DIR is the home of the YAP system. It can be:
/// -- provided by the user;
/// -- obtained from DESTDIR + DE=efalkRoot
///
/// It is:
// --_not useful in Android, WIN32;
/// -- DESTDIR/ in Anaconda
/// -- /usr/locall in most Unix style systems
Yap_ROOTDIR = sel(true, iap->ROOTDIR != NULL, iap->ROOTDIR, true,
#if __ANDROID__
NULL,
#else
join(getenv("DESTDIR"), YAP_ROOTDIR),
#endif
false);
/// BINDIR: where the OS stores header files, namely libYap...
Yap_BINDIR = sel(true, iap->BINDIR != NULL, iap->BINDIR, true,
#if __ANDROID__
NULL,
#else
join(getenv("DESTDIR"), YAP_BINDIR),
#endif
false);
/// LIBDIR: where the OS stores dynamic libraries, namely libYap...
Yap_LIBDIR = sel(true, iap->LIBDIR != NULL, iap->LIBDIR, true,
#if __ANDROID__
NULL,
#else
join(getenv("DESTDIR"), YAP_LIBDIR),
#endif
false);
/// DLLDIR: where libraries can find expicitely loaded DLLs
Yap_DLLDIR = sel(true, iap->DLLDIR != NULL, iap->DLLDIR, true,
#if __ANDROID__
NULL,
#else
join(getenv("DESTDIR"), YAP_DLLDIR),
#endif
false);
/// INCLUDEDIR: where the OS stores header files, namely libYap...
Yap_INCLUDEDIR = sel(true, iap->INCLUDEDIR != NULL, iap->INCLUDEDIR, true,
#if __ANDROID__
NULL,
#else
join(getenv("DESTDIR"), YAP_INCLUDEDIR),
#endif
false);
/// SHAREDIR: where OS & ARCH independent files live
Yap_SHAREDIR = sel(true, iap->SHAREDIR != NULL, iap->SHAREDIR, true,
#if __ANDROID__
"/assets",
#else
join(getenv("DESTDIR"), YAP_SHAREDIR),
#endif
false);
/// PLDIR: where we can find Prolog files
Yap_PLDIR = sel(true, iap->PLDIR != NULL, iap->PLDIR, true,
#if __ANDROID__
"/assets/Yap",
#else
join(getenv("DESTDIR"), YAP_PLDIR),
#endif
false);
/// ``COMMONSDIR: Prolog Commons
Yap_COMMONSDIR = sel(true, iap->COMMONSDIR != NULL, iap->COMMONSDIR, true,
#if __ANDROID__
"/assets/PrologCommons",
#else
join(getenv("DESTDIR"), YAP_SHAREDIR "/PrologCommons"),
#endif
false);
/// BOOTPLDIR: where we can find Prolog bootstrap files
Yap_BOOTSTRAP = sel(true, iap->BOOTSTRAP != NULL, iap->BOOTSTRAP, true,
#if __ANDROID__
"/assets/Yap/pl/boot.yap",
#else
join(getenv("DESTDIR"), YAP_BOOTSTRAP),
#endif
false);
/// BOOTFILE: where we can find the core Prolog boot file
Yap_BOOTFILE = sel(false, iap->BOOTFILE != NULL, iap->BOOTFILE, true,
#if __ANDROID__
"/assets/Yap/pl/boot.yap",
#else
join(getenv("DESTDIR"), YAP_BOOTFILE),
#endif
false);
/// STARTUP: where we can find the core Prolog bootstrap file
Yap_OUTPUT_STARTUP =
sel(false, iap->OUTPUT_STARTUP != NULL, iap->OUTPUT_STARTUP, true,
#if __ANDROID__
NULL,
#else
join(getenv("DESTDIR"), YAP_OUTPUT_STARTUP),
#endif
false);
Yap_INPUT_STARTUP =
sel(false, iap->INPUT_STARTUP != NULL, iap->INPUT_STARTUP, true,
#if __ANDROID__
NULL,
#else
join(getenv("DESTDIR"), YAP_INPUT_STARTUP),
#endif
false);
if (Yap_ROOTDIR)
setAtomicGlobalPrologFlag(HOME_FLAG,
MkAtomTerm(Yap_LookupAtom(Yap_ROOTDIR)));
if (Yap_PLDIR)
setAtomicGlobalPrologFlag(PROLOG_LIBRARY_DIRECTORY_FLAG,
MkAtomTerm(Yap_LookupAtom(Yap_PLDIR)));
if (Yap_DLLDIR)
setAtomicGlobalPrologFlag(PROLOG_FOREIGN_DIRECTORY_FLAG,
MkAtomTerm(Yap_LookupAtom(Yap_DLLDIR)));
}
static void print_usage(void) {
fprintf(stderr, "\n[ Valid switches for command line arguments: ]\n");
fprintf(stderr, " -? Shows this screen\n");
fprintf(stderr, " -b Boot file \n");
fprintf(stderr, " -dump-runtime-variables\n");
fprintf(stderr, " -f initialization file or \"none\"\n");
fprintf(stderr, " -g Run Goal Before Top-Level \n");
fprintf(stderr, " -z Run Goal Before Top-Level \n");
fprintf(stderr, " -q start with informational messages off\n");
fprintf(stderr, " -l load Prolog file\n");
fprintf(stderr, " -L run Prolog file and exit\n");
fprintf(stderr, " -p extra path for file-search-path\n");
fprintf(stderr, " -hSize Heap area in Kbytes (default: %d, minimum: %d)\n",
DefHeapSpace, MinHeapSpace);
fprintf(stderr,
" -sSize Stack area in Kbytes (default: %d, minimum: %d)\n",
DefStackSpace, MinStackSpace);
fprintf(stderr,
" -tSize Trail area in Kbytes (default: %d, minimum: %d)\n",
DefTrailSpace, MinTrailSpace);
fprintf(stderr, " -GSize Max Area for Global Stack\n");
fprintf(stderr,
" -LSize Max Area for Local Stack (number must follow L)\n");
fprintf(stderr, " -TSize Max Area for Trail (number must follow T)\n");
fprintf(stderr, " -nosignals disable signal handling from Prolog\n");
fprintf(stderr, "\n[Execution Modes]\n");
fprintf(stderr, " -J0 Interpreted mode (default)\n");
fprintf(stderr, " -J1 Mixed mode only for user predicates\n");
fprintf(stderr, " -J2 Mixed mode for all predicates\n");
fprintf(stderr, " -J3 Compile all user predicates\n");
fprintf(stderr, " -J4 Compile all predicates\n");
#ifdef TABLING
fprintf(stderr,
" -ts Maximum table space area in Mbytes (default: unlimited)\n");
#endif /* TABLING */
#if defined(YAPOR_COPY) || defined(YAPOR_COW) || defined(YAPOR_SBA) || \
defined(YAPOR_THREADS)
fprintf(stderr, " -w Number of workers (default: %d)\n",
DEFAULT_NUMBERWORKERS);
fprintf(stderr,
" -sl Loop scheduler executions before look for hiden "
"shared work (default: %d)\n",
DEFAULT_SCHEDULERLOOP);
fprintf(stderr, " -d Value of delayed release of load (default: %d)\n",
DEFAULT_DELAYEDRELEASELOAD);
#endif /* YAPOR_COPY || YAPOR_COW || YAPOR_SBA || YAPOR_THREADS */
/* nf: Preprocessor */
/* fprintf(stderr," -DVar=Name Persistent definition\n"); */
fprintf(stderr, "\n");
}
static int myisblank(int c) {
switch (c) {
case ' ':
case '\t':
case '\n':
case '\r':
return TRUE;
default:
return FALSE;
}
}
static char *add_end_dot(char arg[]) {
int sz = strlen(arg), i;
i = sz;
while (i && myisblank(arg[--i]))
;
if (i && arg[i] != ',') {
char *p = (char *)malloc(sz + 2);
if (!p)
return NULL;
strncpy(p, arg, sz);
p[sz] = '.';
p[sz + 1] = '\0';
return p;
}
return arg;
}
static int dump_runtime_variables(void) {
fprintf(stdout, "CC=\"%s\"\n", C_CC);
fprintf(stdout, "YAP_ROOTDIR=\"%s\"\n", YAP_ROOTDIR);
fprintf(stdout, "YAP_LIBS=\"%s\"\n", C_LIBS);
fprintf(stdout, "YAP_SHLIB_SUFFIX=\"%s\"\n", SO_EXT);
fprintf(stdout, "YAP_VERSION=%s\n", YAP_NUMERIC_VERSION);
exit(0);
return 1;
}
X_API YAP_file_type_t Yap_InitDefaults(void *x, char *saved_state, int argc,
char *argv[]) {
if (!LOCAL_TextBuffer)
LOCAL_TextBuffer = Yap_InitTextAllocator();
YAP_init_args *iap = x;
memset(iap, 0, sizeof(YAP_init_args));
#if __ANDROID__
iap->boot_file_type = YAP_BOOT_PL;
iap->INPUT_STARTUP = NULL;
iap->assetManager = NULL;
#else
iap->boot_file_type = YAP_QLY;
iap->INPUT_STARTUP = saved_state;
#endif
iap->Argc = argc;
iap->Argv = argv;
return YAP_QLY;
}
/**
* @short Paese command line
* @param argc number of arguments
* @param argv arguments
* @param iap options, see YAP_init_args
* @return boot from saved state or restore; error
*/
X_API YAP_file_type_t YAP_parse_yap_arguments(int argc, char *argv[],
YAP_init_args *iap) {
char *p;
size_t *ssize;
Yap_InitDefaults(iap, NULL, argc, argv);
while (--argc > 0) {
p = *++argv;
if (*p == '-')
switch (*++p) {
case 'b':
iap->boot_file_type = YAP_PL;
if (p[1])
iap->BOOTFILE = p + 1;
else if (argv[1] && *argv[1] != '-') {
iap->BOOTFILE = *++argv;
argc--;
}
break;
case 'B':
iap->boot_file_type = YAP_BOOT_PL;
if (p[1])
iap->BOOTSTRAP = p + 1;
else if (argv[1] && *argv[1] != '-') {
iap->BOOTSTRAP = *++argv;
argc--;
}
iap->install = true;
break;
case '?':
print_usage();
exit(EXIT_SUCCESS);
case 'q':
iap->QuietMode = TRUE;
break;
#if defined(YAPOR_COPY) || defined(YAPOR_COW) || defined(YAPOR_SBA) || \
defined(YAPOR_THREADS)
case 'w':
ssize = &(iap->NumberWorkers);
goto GetSize;
case 'd':
if (!strcmp("dump-runtime-variables", p))
return dump_runtime_variables();
ssize = &(iap->DelayedReleaseLoad);
goto GetSize;
#else
case 'd':
if (!strcmp("dump-runtime-variables", p))
return dump_runtime_variables();
#endif /* YAPOR_COPY || YAPOR_COW || YAPOR_SBA || YAPOR_THREADS */
case 'F':
/* just ignore for now */
argc--;
argv++;
break;
case 'f':
iap->FastBoot = TRUE;
if (argc > 1 && argv[1][0] != '-') {
argc--;
argv++;
if (strcmp(*argv, "none")) {
iap->PrologRCFile = *argv;
}
break;
}
break;
// execution mode
case 'J':
switch (p[1]) {
case '0':
iap->ExecutionMode = YAPC_INTERPRETED;
break;
case '1':
iap->ExecutionMode = YAPC_MIXED_MODE_USER;
break;
case '2':
iap->ExecutionMode = YAPC_MIXED_MODE_ALL;
break;
case '3':
iap->ExecutionMode = YAPC_COMPILE_USER;
break;
case '4':
iap->ExecutionMode = YAPC_COMPILE_ALL;
break;
default:
fprintf(stderr, "[ YAP unrecoverable error: unknown switch -%c%c ]\n",
*p, p[1]);
exit(EXIT_FAILURE);
}
p++;
break;
case 'G':
ssize = &(iap->MaxGlobalSize);
goto GetSize;
break;
case 's':
case 'S':
ssize = &(iap->StackSize);
#if defined(YAPOR_COPY) || defined(YAPOR_COW) || defined(YAPOR_SBA) || \
defined(YAPOR_THREADS)
if (p[1] == 'l') {
p++;
ssize = &(iap->SchedulerLoop);
}
#endif /* YAPOR_COPY || YAPOR_COW || YAPOR_SBA || YAPOR_THREADS */
goto GetSize;
case 'a':
case 'A':
ssize = &(iap->AttsSize);
goto GetSize;
case 'T':
ssize = &(iap->MaxTrailSize);
goto get_trail_size;
case 't':
ssize = &(iap->TrailSize);
#ifdef TABLING
if (p[1] == 's') {
p++;
ssize = &(iap->MaxTableSpaceSize);
}
#endif /* TABLING */
get_trail_size:
if (*++p == '\0') {
if (argc > 1)
--argc, p = *++argv;
else {
fprintf(stderr,
"[ YAP unrecoverable error: missing size in flag %s ]",
argv[0]);
print_usage();
exit(EXIT_FAILURE);
}
}
{
unsigned long int i = 0, ch;
while ((ch = *p++) >= '0' && ch <= '9')
i = i * 10 + ch - '0';
switch (ch) {
case 'M':
case 'm':
i *= 1024;
ch = *p++;
break;
case 'g':
i *= 1024 * 1024;
ch = *p++;
break;
case 'k':
case 'K':
ch = *p++;
break;
}
if (ch) {
iap->PrologTopLevelGoal = add_end_dot(*argv);
} else {
*ssize = i;
}
}
break;
case 'h':
case 'H':
ssize = &(iap->HeapSize);
GetSize:
if (*++p == '\0') {
if (argc > 1)
--argc, p = *++argv;
else {
fprintf(stderr,
"[ YAP unrecoverable error: missing size in flag %s ]",
argv[0]);
print_usage();
exit(EXIT_FAILURE);
}
}
{
unsigned long int i = 0, ch;
while ((ch = *p++) >= '0' && ch <= '9')
i = i * 10 + ch - '0';
switch (ch) {
case 'M':
case 'm':
i *= 1024;
ch = *p++;
break;
case 'g':
case 'G':
i *= 1024 * 1024;
ch = *p++;
break;
case 'k':
case 'K':
ch = *p++;
break;
}
if (ch) {
fprintf(
stderr,
"[ YAP unrecoverable error: illegal size specification %s ]",
argv[-1]);
Yap_exit(1);
}
*ssize = i;
}
break;
#ifdef DEBUG
case 'P':
if (p[1] != '\0') {
while (p[1] != '\0') {
int ch = p[1];
if (ch >= 'A' && ch <= 'Z')
ch += ('a' - 'A');
if (ch >= 'a' && ch <= 'z')
GLOBAL_Option[ch - 96] = 1;
p++;
}
} else {
YAP_SetOutputMessage();
}
break;
#endif
case 'L':
if (p[1] && p[1] >= '0' &&
p[1] <= '9') /* hack to emulate SWI's L local option */
{
ssize = &(iap->MaxStackSize);
goto GetSize;
}
iap->QuietMode = TRUE;
iap->HaltAfterBoot = true;
case 'l':
p++;
if (!*++argv) {
fprintf(stderr,
"%% YAP unrecoverable error: missing load file name\n");
exit(1);
} else if (!strcmp("--", *argv)) {
/* shell script, the next entry should be the file itself */
iap->PrologRCFile = argv[1];
argc = 1;
break;
} else {
iap->PrologRCFile = *argv;
argc--;
}
if (*p) {
/* we have something, usually, of the form:
-L --
FileName
ExtraArgs
*/
/* being called from a script */
while (*p && (*p == ' ' || *p == '\t'))
p++;
if (p[0] == '-' && p[1] == '-') {
/* ignore what is next */
argc = 1;
}
}
break;
/* run goal before top-level */
case 'g':
if ((*argv)[0] == '\0')
iap->PrologGoal = *argv;
else {
argc--;
if (argc == 0) {
fprintf(stderr, " [ YAP unrecoverable error: missing "
"initialization goal for option 'g' ]\n");
exit(EXIT_FAILURE);
}
argv++;
iap->PrologGoal = *argv;
}
break;
/* run goal as top-level */
case 'z':
if ((*argv)[0] == '\0')
iap->PrologTopLevelGoal = *argv;
else {
argc--;
if (argc == 0) {
fprintf(stderr, " [ YAP unrecoverable error: missing goal for "
"option 'z' ]\n");
exit(EXIT_FAILURE);
}
argv++;
iap->PrologTopLevelGoal = add_end_dot(*argv);
}
iap->HaltAfterBoot = true;
break;
case 'n':
if (!strcmp("nosignals", p)) {
iap->PrologCannotHandleInterrupts = true;
break;
}
break;
case '-':
if (!strcmp("-nosignals", p)) {
iap->PrologCannotHandleInterrupts = true;
break;
} else if (!strncmp("-output-saved-state=", p,
strlen("-output-saved-state="))) {
iap->OUTPUT_STARTUP = p + strlen("-output-saved-state=");
} else if (!strncmp("-home=", p, strlen("-home="))) {
iap->ROOTDIR = p + strlen("-home=");
} else if (!strncmp("-system-library-directory=", p,
strlen("-system-library-directory="))) {
iap->LIBDIR = p + strlen("-system-library-directory=");
} else if (!strncmp("-system-shared-directory=", p,
strlen("-system-shared-directory="))) {
iap->SHAREDIR = p + strlen("-system-shared-directory=");
} else if (!strncmp("-prolog-library-directory=", p,
strlen("-prolog-library-directory="))) {
iap->PLDIR = p + strlen("-prolog-library-directory=");
} else if (!strncmp("-dll-library-directory=", p,
strlen("-dll-library-directory="))) {
iap->DLLDIR = p + strlen("-dll-library-directory=");
} else if (!strncmp("-home=", p, strlen("-home="))) {
iap->ROOTDIR = p + strlen("-home=");
} else if (!strncmp("-cwd=", p, strlen("-cwd="))) {
if (!Yap_ChDir(p + strlen("-cwd="))) {
fprintf(stderr, " [ YAP unrecoverable error in setting cwd: %s ]\n",
strerror(errno));
}
} else if (!strncmp("-stack=", p, strlen("-stack="))) {
ssize = &(iap->StackSize);
p += strlen("-stack=");
goto GetSize;
} else if (!strncmp("-trail=", p, strlen("-trail="))) {
ssize = &(iap->TrailSize);
p += strlen("-trail=");
goto GetSize;
} else if (!strncmp("-heap=", p, strlen("-heap="))) {
ssize = &(iap->HeapSize);
p += strlen("-heap=");
goto GetSize;
} else if (!strncmp("-max-stack=", p, strlen("-max-stack="))) {
ssize = &(iap->MaxStackSize);
p += strlen("-max-stack=");
goto GetSize;
} else if (!strncmp("-max-trail=", p, strlen("-max-trail="))) {
ssize = &(iap->MaxTrailSize);
p += strlen("-max-trail=");
goto GetSize;
} else if (!strncmp("-max-heap=", p, strlen("-max-heap="))) {
ssize = &(iap->MaxHeapSize);
p += strlen("-max-heap=");
goto GetSize;
} else if (!strncmp("-goal=", p, strlen("-goal="))) {
iap->PrologGoal = p + strlen("-goal=");
} else if (!strncmp("-top-level=", p, strlen("-top-level="))) {
iap->PrologTopLevelGoal = p + strlen("-top-level=");
} else if (!strncmp("-table=", p, strlen("-table="))) {
ssize = &(iap->MaxTableSpaceSize);
p += strlen("-table=");
goto GetSize;
} else if (!strncmp("-", p, strlen("-="))) {
ssize = &(iap->MaxTableSpaceSize);
p += strlen("-table=");
/* skip remaining arguments */
argc = 1;
}
break;
case 'p':
if ((*argv)[0] == '\0')
iap->PrologAddPath = *argv;
else {
argc--;
if (argc == 0) {
fprintf(stderr, " [ YAP unrecoverable error: missing paths for "
"option 'p' ]\n");
exit(EXIT_FAILURE);
}
argv++;
iap->PrologAddPath = *argv;
}
break;
/* nf: Begin preprocessor code */
case 'D': {
char *var, *value;
++p;
var = p;
if (var == NULL || *var == '\0')
break;
while (*p != '=' && *p != '\0')
++p;
if (*p == '\0')
break;
*p = '\0';
++p;
value = p;
if (*value == '\0')
break;
if (iap->def_c == YAP_MAX_YPP_DEFS)
break;
iap->def_var[iap->def_c] = var;
iap->def_value[iap->def_c] = value;
++(iap->def_c);
break;
}
/* End preprocessor code */
default: {
fprintf(stderr, "[ YAP unrecoverable error: unknown switch -%c ]\n",
*p);
print_usage();
exit(EXIT_FAILURE);
}
}
else {
iap->INPUT_STARTUP = p;
}
}
return iap->boot_file_type;
}
/**
YAP_DelayInit()
ensures initialization is done after engine creation.
It receives a pointer to function and a string describing
the module.
*/
X_API bool YAP_DelayInit(YAP_ModInit_t f, const char s[]) {
if (m_delays) {
m_delays = realloc(m_delays, (n_mdelays + 1) * sizeof(YAP_delaymodule_t));
} else {
m_delays = malloc(sizeof(YAP_delaymodule_t));
}
m_delays[n_mdelays].f = f;
m_delays[n_mdelays].s = s;
n_mdelays++;
return true;
}
bool Yap_LateInit(const char s[]) {
int i;
for (i = 0; i < n_mdelays; i++) {
if (!strcmp(m_delays[i].s, s)) {
m_delays[i].f();
return true;
}
}
return false;
}
struct ssz_t {
size_t Heap, Stack, Trail;
};
bool Yap_Embedded;
static void init_hw(YAP_init_args *yap_init, struct ssz_t *spt) {
Yap_page_size = Yap_InitPageSize(); /* init memory page size, required by
later functions */
#if defined(YAPOR_COPY) || defined(YAPOR_COW) || defined(YAPOR_SBA)
Yap_init_yapor_global_local_memory();
#endif /* YAPOR_COPY || YAPOR_COW || YAPOR_SBA */
if (yap_init->Embedded) {
yap_init->install = false;
GLOBAL_PrologShouldHandleInterrupts =
yap_init->PrologCannotHandleInterrupts = true;
} else {
GLOBAL_PrologShouldHandleInterrupts =
!yap_init->PrologCannotHandleInterrupts;
}
Yap_InitSysbits(0); /* init signal handling and time, required by later
functions */
GLOBAL_argv = yap_init->Argv;
GLOBAL_argc = yap_init->Argc;
#if __ANDROID__
// if (yap_init->assetManager)
// Yap_InitAssetManager();
#endif
if (yap_init->TrailSize == 0) {
if (spt->Trail == 0)
spt->Trail = DefTrailSpace;
} else {
spt->Trail = yap_init->TrailSize;
}
// Atts = yap_init->AttsSize;
if (yap_init->StackSize == 0) {
spt->Stack = DefStackSpace;
} else {
spt->Stack = yap_init->StackSize;
}
#ifndef USE_SYSTEM_MALLOC
if (yap_init->HeapSize == 0) {
if (spt->Heap == 0)
spt->Heap = DefHeapSpace;
} else {
spt->Heap = yap_init->HeapSize;
}
#endif
}
static void end_init(YAP_init_args *iap) {
YAP_initialized = true;
if (iap->HaltAfterBoot)
Yap_exit(0);
LOCAL_PrologMode &= ~BootMode;
CurrentModule = USER_MODULE;
}
static void start_modules(void) {
Term cm = CurrentModule;
size_t i;
for (i = 0; i < n_mdelays; i++) {
CurrentModule = MkAtomTerm(YAP_LookupAtom(m_delays[i].s));
m_delays[i].f();
}
CurrentModule = cm;
}
/* this routine is supposed to be called from an external program
that wants to control Yap */
X_API void YAP_Init(YAP_init_args *yap_init) {
bool try_restore = yap_init->boot_file_type == YAP_QLY;
bool do_bootstrap = yap_init->boot_file_type == YAP_BOOT_PL;
struct ssz_t minfo;
if (YAP_initialized)
/* ignore repeated calls to YAP_Init */
return;
if (!LOCAL_TextBuffer)
LOCAL_TextBuffer = Yap_InitTextAllocator();
Yap_Embedded = yap_init->Embedded;
minfo.Trail = 0, minfo.Stack = 0, minfo.Trail = 0;
init_hw(yap_init, &minfo);
Yap_InitWorkspace(yap_init, minfo.Heap, minfo.Stack, minfo.Trail, 0,
yap_init->MaxTableSpaceSize, yap_init->NumberWorkers,
yap_init->SchedulerLoop, yap_init->DelayedReleaseLoad);
//
CACHE_REGS
if (yap_init->QuietMode) {
setVerbosity(TermSilent);
}
if (yap_init->PrologRCFile != NULL) {
/*
This must be done before restore, otherwise
restore will print out messages ....
*/
setBooleanGlobalPrologFlag(HALT_AFTER_CONSULT_FLAG,
yap_init->HaltAfterBoot);
}
/* tell the system who should cope with interrupts */
Yap_ExecutionMode = yap_init->ExecutionMode;
Yap_set_locations(yap_init);
if (do_bootstrap || !try_restore ||
!Yap_SavedInfo(Yap_INPUT_STARTUP, &minfo.Trail, &minfo.Stack,
&minfo.Heap)) {
init_globals(yap_init);
start_modules();
CurrentModule = PROLOG_MODULE;
TermEof = MkAtomTerm(Yap_LookupAtom("end_of_file"));
LOCAL_consult_level = -1;
consult(Yap_BOOTSTRAP PASS_REGS);
setAtomicGlobalPrologFlag(RESOURCE_DATABASE_FLAG,
MkAtomTerm(Yap_LookupAtom(Yap_BOOTFILE)));
setBooleanGlobalPrologFlag(SAVED_PROGRAM_FLAG, false);
} else {
if (yap_init->QuietMode) {
setVerbosity(TermSilent);
}
Yap_Restore(Yap_INPUT_STARTUP);
init_globals(yap_init);
start_modules();
if (yap_init->install && Yap_OUTPUT_STARTUP) {
setAtomicGlobalPrologFlag(RESOURCE_DATABASE_FLAG,
MkAtomTerm(Yap_LookupAtom(Yap_INPUT_STARTUP)));
setBooleanGlobalPrologFlag(SAVED_PROGRAM_FLAG, true);
}
LOCAL_consult_level = -1;
}
YAP_RunGoalOnce(TermInitProlog);
if (yap_init->install && Yap_OUTPUT_STARTUP) {
Term t = MkAtomTerm(Yap_LookupAtom(Yap_OUTPUT_STARTUP));
Term g = Yap_MkApplTerm(Yap_MkFunctor(Yap_LookupAtom("qsave_program"), 1),
1, &t);
YAP_RunGoalOnce(g);
}
end_init(yap_init);
}
#if (DefTrailSpace < MinTrailSpace)
#undef DefTrailSpace
#define DefTrailSpace MinTrailSpace
#endif
#if (DefStackSpace < MinStackSpace)
#undef DefStackSpace
#define DefStackSpace MinStackSpace
#endif
#if (DefHeapSpace < MinHeapSpace)
#undef DefHeapSpace
#define DefHeapSpace MinHeapSpace
#endif
#define DEFAULT_NUMBERWORKERS 1
#define DEFAULT_SCHEDULERLOOP 10
#define DEFAULT_DELAYEDRELEASELOAD 3
X_API void YAP_FastInit(char *saved_state, int argc, char *argv[]) {
YAP_init_args init_args;
YAP_file_type_t out;
if ((out = Yap_InitDefaults(&init_args, saved_state, argc, argv)) !=
YAP_FOUND_BOOT_ERROR)
YAP_Init(&init_args);
if (out == YAP_FOUND_BOOT_ERROR) {
Yap_Error(init_args.ErrorNo, TermNil, init_args.ErrorCause);
}
}